Respuesta :

apologiabiology
105 miles per 3 gallons

ok, ratio and proportion

gallons:miles=3:105

if we want 525 miles, we need x gallons

3:105=x:525
3/105=x/525
1/35=x/525
times both sides by 525
525/35=x
15=x

15 gallons
C is answer

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